Equation 45 · A Horizon Is a Toll Booth, Not a Loophole
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Symbol N_perp
erp is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Symbol Gamma
Gamma is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
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What the article says around this equation
That second identity is the entire resolution in miniature, and it is worth deriving [] both ways to see it operate. Hold the local energy budget fixed at =' (a battery physically at the processor, delivering a fixed amount of locally measured energy) over a proper interval :
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